The calculated distance (air line) between Tosya and Kızılcahamam is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Kızılcahamam is certainly longer, as only the direct route (as the crow flies) between Tosya and Kızılcahamam has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles